Arista Networks is grabbing Cisco’s giant networking business, winning over its customers and rankling its top brass. The battle has divided CEO Jayshree Ullal and Cisco’s John Chambers, who were once close colleagues.

A federal court found that Uber Technologies customers sign over their rights to sue in court when they click to agree to the ride-hailing company’s terms of service, which include a provision requiring arbitration.

The government review of AT&T’s $85 billion takeover of Time Warner has reached an advanced stage, a significant milestone in a deal that was closely watched for signs of how the Trump administration would view large mergers.

Apple CEO Tim Cook joined the chorus of business leaders criticizing President Trump’s response to Saturday’s deadly white-supremacist protests and said the company would donate money to battle hate groups.83

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Personal Technology

Personal Technology

Tech often fails seniors, and it isn’t their fault. But it isn’t their children’s fault, either. Geoffrey A. Fowler offers some ways to make smartphones, laptops and iPads less frustrating for seniors and the people who love them.85

Personal Technology

In a world of overstuffed inboxes and constant beeping texts, phone calls have never been so precious. But calling isn’t as simple as it once was. Joanna Stern explains all the ways you can make a call today.

The A-hed

Media mogul John Malone and his lieutenants are quietly building a cable colossus in Europe and Latin America that potentially could be the backbone for the next generation of wireless-internet service.